– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 pm Tue 30 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Tue 30 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Tue 30 Dec Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 8mm), mostly falling on Thu night. Very mild (max 10°C on Wed morning, min 5°C on Tue night). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 31mm), heaviest during Sun night. Mild temperatures (max 7°C on Fri night, min 5°C on Mon afternoon). Wind will be generally light. | ||||||||||||||||||
Wednesday 31 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | |  |  | |  | |  | | | | | | | | |
some clouds | some clouds | clear | some clouds | cloudy | cloudy | mod. rain | light rain | light rain | light rain | light rain | rain shwrs | light rain | light rain | light rain | mod. rain | light rain | rain shwrs | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | 7 | 1.2 | 0.1 | 4 | 5 | 0.6 | 1.2 | 1.8 | 4 | 10 | 5 | 0.9 | — | |
max °C | 6 | 10 | 8 | 6 | 9 | 7 | 5 | 5 | 5 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 5 |
min °C | 5 | 8 | 6 | 6 | 8 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 6 | 6 | 6 | 5 | 4 |
5 | 8 | 6 | 6 | 8 | 5 | 4 | 4 | 5 | 5 | 3 | 4 | 4 | 5 | 4 | 4 | 6 | 5 | 4 | |
3100 | 2900 | 2900 | 2800 | 2600 | 2300 | 1350 | 1350 | 1500 | 1700 | 1900 | 1700 | 2000 | 1850 | 1600 | 1500 | 1400 | 1450 | 1750 | |
Cloud base (m) | 5850 | 5600 | 5950 | 6550 | 600 | 550 | 600 | 550 | 750 | 600 | 4550 | 750 | 750 | 550 | 550 | 550 | 2350 | ||
 | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — |
 | — | — | 4:21 | — | — | 4:22 | — | — | 4:22 | — | — | 4:23 | — | — | 4:24 | — | — | 4:27 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 8mm), mostly falling on Thu night. Very mild (max 10°C on Wed morning, min 5°C on Tue night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 31mm), heaviest during Sun night. Mild temperatures (max 7°C on Fri night, min 5°C on Mon afternoon). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.